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919c840167
- A quite complex ab8500 charger driver, submitted by Arun Murthy @ ST-Ericsson; - Summit Microelectronics SMB347 Battery Charger, submitted by Bruce E. Robertson and Alan Cox @ Intel. And that's all. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIcBAABAgAGBQJPdhj7AAoJEGgI9fZJve1bSKEQAKzKXPwqpBREXzS888YWzb34 0r3Bly+F8eSRTjclbEEvEOVVCjxKOFpow5lN+eAkRNAMLDBcMamfBTR+rpoYb822 d7R4Hy/stVnmD5nul0WMezZ0OZf6qRy8kHazmvb63Jk37ykof52TqoEInKdHL/ww afUNfCnAFAbZkjxEr/9MwpM+nzYKdlGIoQlu9CJLARJiT9CyICjgHG48MGmyxOws 1LPha40jXuKLoyE+6nvG1Ji71NzZlFaVuFpzk75kjsWoB78zkRsMSv+zboHRz3QP PI+uS54auIkGhqeIeEuuSzPZx+1K2Fr2/qyut3tqM8AejBE4kETiBAy0b0BREBSd NqA4/Yw24c8xglIFP6OlNjHnLgCsExfHATzqzML2El/dXG8P2ggEayZzDh9bmsuU ZNKOmHZYgEj2eEorJcmlfZ23rJwlxuspl1m2nH2WEnqw6Z6TnskK4N1JSNlpGRPU j+iHbTPA04hultQkzNHCdPRR/jK1IC5eGdwc612QgxOhZPkvhmW92e8EOVz/3E3X TqKXfBiKxKtkIncLPYFh7oeZINKnlqZrXsYrHhxhlm9UstGOqfEIqbCGqlf0Q4P1 WOhIQe1cP/JpB9T58e3mLF2dQIGScTqzQCRSW6/m+3HmDwZb8JyUQRw5188s3yJr umrBS5hqS+z3bISWrcGi =Y8fe -----END PGP SIGNATURE----- Merge tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6 Pull battery updates from Anton Vorontsov: "Various small bugfixes and enhancements, plus two new drivers: - A quite complex ab8500 charger driver, submitted by Arun Murthy @ ST-Ericsson; - Summit Microelectronics SMB347 Battery Charger, submitted by Bruce E Robertson and Alan Cox @ Intel. And that's all." * tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6: (36 commits) max17042_battery: Clean up interrupt handling Revert "max8998_charger: Include linux/module.h just once" ab8500_fg: Fix some build warnings on x86_64 max17042_battery: Fix CHARGE_FULL representation. max8998_charger: Include linux/module.h just once power_supply: Convert i2c drivers to module_i2c_driver lp8727_charger: Add MODULE_DEVICE_TABLE charger-manager: Simplify charger_get_property(), get rid of a warning charger-manager: Clean up for better readability da9052-battery: Convert to use module_platform_driver da9052-battery: Fix a memory leak when unload the module da9052-battery: Add missing platform_set_drvdata ab8500: Turn unneeded global symbols into local ones ab8500_fg: Fix copy-paste error ab8500_fg: Get rid of 'struct battery_type' ab8500_fg: Get rid of 'struct v_to_cap' ab8500_btemp: Get rid of 'enum adc_therm' ab8500_charger: Convert to the new USB OTG calls ab8500-btemp: AB8500 battery temperature driver ab8500-fg: A8500 fuel gauge driver ...
462 lines
15 KiB
C
462 lines
15 KiB
C
/*
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* Copyright (C) 2007-2009 ST-Ericsson AB
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* License terms: GNU General Public License (GPL) version 2
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* AB3100 core access functions
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* Author: Linus Walleij <linus.walleij@stericsson.com>
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*
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* ABX500 core access functions.
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* The abx500 interface is used for the Analog Baseband chip
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* ab3100, ab5500, and ab8500.
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*
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* Author: Mattias Wallin <mattias.wallin@stericsson.com>
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* Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
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* Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
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* Author: Rickard Andersson <rickard.andersson@stericsson.com>
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*/
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#include <linux/regulator/machine.h>
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struct device;
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#ifndef MFD_ABX500_H
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#define MFD_ABX500_H
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#define AB3100_P1A 0xc0
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#define AB3100_P1B 0xc1
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#define AB3100_P1C 0xc2
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#define AB3100_P1D 0xc3
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#define AB3100_P1E 0xc4
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#define AB3100_P1F 0xc5
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#define AB3100_P1G 0xc6
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#define AB3100_R2A 0xc7
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#define AB3100_R2B 0xc8
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#define AB5500_1_0 0x20
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#define AB5500_1_1 0x21
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#define AB5500_2_0 0x24
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/*
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* AB3100, EVENTA1, A2 and A3 event register flags
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* these are catenated into a single 32-bit flag in the code
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* for event notification broadcasts.
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*/
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#define AB3100_EVENTA1_ONSWA (0x01<<16)
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#define AB3100_EVENTA1_ONSWB (0x02<<16)
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#define AB3100_EVENTA1_ONSWC (0x04<<16)
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#define AB3100_EVENTA1_DCIO (0x08<<16)
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#define AB3100_EVENTA1_OVER_TEMP (0x10<<16)
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#define AB3100_EVENTA1_SIM_OFF (0x20<<16)
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#define AB3100_EVENTA1_VBUS (0x40<<16)
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#define AB3100_EVENTA1_VSET_USB (0x80<<16)
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#define AB3100_EVENTA2_READY_TX (0x01<<8)
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#define AB3100_EVENTA2_READY_RX (0x02<<8)
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#define AB3100_EVENTA2_OVERRUN_ERROR (0x04<<8)
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#define AB3100_EVENTA2_FRAMING_ERROR (0x08<<8)
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#define AB3100_EVENTA2_CHARG_OVERCURRENT (0x10<<8)
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#define AB3100_EVENTA2_MIDR (0x20<<8)
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#define AB3100_EVENTA2_BATTERY_REM (0x40<<8)
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#define AB3100_EVENTA2_ALARM (0x80<<8)
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#define AB3100_EVENTA3_ADC_TRIG5 (0x01)
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#define AB3100_EVENTA3_ADC_TRIG4 (0x02)
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#define AB3100_EVENTA3_ADC_TRIG3 (0x04)
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#define AB3100_EVENTA3_ADC_TRIG2 (0x08)
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#define AB3100_EVENTA3_ADC_TRIGVBAT (0x10)
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#define AB3100_EVENTA3_ADC_TRIGVTX (0x20)
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#define AB3100_EVENTA3_ADC_TRIG1 (0x40)
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#define AB3100_EVENTA3_ADC_TRIG0 (0x80)
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/* AB3100, STR register flags */
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#define AB3100_STR_ONSWA (0x01)
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#define AB3100_STR_ONSWB (0x02)
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#define AB3100_STR_ONSWC (0x04)
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#define AB3100_STR_DCIO (0x08)
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#define AB3100_STR_BOOT_MODE (0x10)
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#define AB3100_STR_SIM_OFF (0x20)
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#define AB3100_STR_BATT_REMOVAL (0x40)
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#define AB3100_STR_VBUS (0x80)
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/*
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* AB3100 contains 8 regulators, one external regulator controller
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* and a buck converter, further the LDO E and buck converter can
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* have separate settings if they are in sleep mode, this is
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* modeled as a separate regulator.
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*/
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#define AB3100_NUM_REGULATORS 10
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/**
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* struct ab3100
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* @access_mutex: lock out concurrent accesses to the AB3100 registers
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* @dev: pointer to the containing device
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* @i2c_client: I2C client for this chip
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* @testreg_client: secondary client for test registers
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* @chip_name: name of this chip variant
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* @chip_id: 8 bit chip ID for this chip variant
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* @event_subscribers: event subscribers are listed here
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* @startup_events: a copy of the first reading of the event registers
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* @startup_events_read: whether the first events have been read
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*
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* This struct is PRIVATE and devices using it should NOT
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* access ANY fields. It is used as a token for calling the
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* AB3100 functions.
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*/
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struct ab3100 {
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struct mutex access_mutex;
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struct device *dev;
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struct i2c_client *i2c_client;
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struct i2c_client *testreg_client;
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char chip_name[32];
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u8 chip_id;
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struct blocking_notifier_head event_subscribers;
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u8 startup_events[3];
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bool startup_events_read;
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};
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/**
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* struct ab3100_platform_data
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* Data supplied to initialize board connections to the AB3100
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* @reg_constraints: regulator constraints for target board
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* the order of these constraints are: LDO A, C, D, E,
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* F, G, H, K, EXT and BUCK.
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* @reg_initvals: initial values for the regulator registers
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* plus two sleep settings for LDO E and the BUCK converter.
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* exactly AB3100_NUM_REGULATORS+2 values must be sent in.
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* Order: LDO A, C, E, E sleep, F, G, H, K, EXT, BUCK,
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* BUCK sleep, LDO D. (LDO D need to be initialized last.)
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* @external_voltage: voltage level of the external regulator.
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*/
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struct ab3100_platform_data {
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struct regulator_init_data reg_constraints[AB3100_NUM_REGULATORS];
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u8 reg_initvals[AB3100_NUM_REGULATORS+2];
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int external_voltage;
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};
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int ab3100_event_register(struct ab3100 *ab3100,
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struct notifier_block *nb);
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int ab3100_event_unregister(struct ab3100 *ab3100,
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struct notifier_block *nb);
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/**
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* struct abx500_init_setting
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* Initial value of the registers for driver to use during setup.
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*/
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struct abx500_init_settings {
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u8 bank;
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u8 reg;
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u8 setting;
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};
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/* Battery driver related data */
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/*
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* ADC for the battery thermistor.
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* When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined
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* with a NTC resistor to both identify the battery and to measure its
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* temperature. Different phone manufactures uses different techniques to both
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* identify the battery and to read its temperature.
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*/
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enum abx500_adc_therm {
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ABx500_ADC_THERM_BATCTRL,
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ABx500_ADC_THERM_BATTEMP,
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};
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/**
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* struct abx500_res_to_temp - defines one point in a temp to res curve. To
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* be used in battery packs that combines the identification resistor with a
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* NTC resistor.
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* @temp: battery pack temperature in Celcius
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* @resist: NTC resistor net total resistance
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*/
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struct abx500_res_to_temp {
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int temp;
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int resist;
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};
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/**
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* struct abx500_v_to_cap - Table for translating voltage to capacity
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* @voltage: Voltage in mV
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* @capacity: Capacity in percent
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*/
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struct abx500_v_to_cap {
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int voltage;
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int capacity;
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};
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/* Forward declaration */
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struct abx500_fg;
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/**
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* struct abx500_fg_parameters - Fuel gauge algorithm parameters, in seconds
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* if not specified
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* @recovery_sleep_timer: Time between measurements while recovering
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* @recovery_total_time: Total recovery time
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* @init_timer: Measurement interval during startup
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* @init_discard_time: Time we discard voltage measurement at startup
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* @init_total_time: Total init time during startup
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* @high_curr_time: Time current has to be high to go to recovery
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* @accu_charging: FG accumulation time while charging
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* @accu_high_curr: FG accumulation time in high current mode
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* @high_curr_threshold: High current threshold, in mA
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* @lowbat_threshold: Low battery threshold, in mV
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* @overbat_threshold: Over battery threshold, in mV
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* @battok_falling_th_sel0 Threshold in mV for battOk signal sel0
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* Resolution in 50 mV step.
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* @battok_raising_th_sel1 Threshold in mV for battOk signal sel1
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* Resolution in 50 mV step.
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* @user_cap_limit Capacity reported from user must be within this
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* limit to be considered as sane, in percentage
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* points.
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* @maint_thres This is the threshold where we stop reporting
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* battery full while in maintenance, in per cent
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*/
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struct abx500_fg_parameters {
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int recovery_sleep_timer;
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int recovery_total_time;
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int init_timer;
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int init_discard_time;
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int init_total_time;
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int high_curr_time;
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int accu_charging;
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int accu_high_curr;
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int high_curr_threshold;
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int lowbat_threshold;
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int overbat_threshold;
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int battok_falling_th_sel0;
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int battok_raising_th_sel1;
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int user_cap_limit;
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int maint_thres;
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};
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/**
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* struct abx500_charger_maximization - struct used by the board config.
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* @use_maxi: Enable maximization for this battery type
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* @maxi_chg_curr: Maximum charger current allowed
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* @maxi_wait_cycles: cycles to wait before setting charger current
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* @charger_curr_step delta between two charger current settings (mA)
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*/
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struct abx500_maxim_parameters {
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bool ena_maxi;
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int chg_curr;
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int wait_cycles;
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int charger_curr_step;
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};
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/**
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* struct abx500_battery_type - different batteries supported
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* @name: battery technology
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* @resis_high: battery upper resistance limit
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* @resis_low: battery lower resistance limit
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* @charge_full_design: Maximum battery capacity in mAh
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* @nominal_voltage: Nominal voltage of the battery in mV
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* @termination_vol: max voltage upto which battery can be charged
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* @termination_curr battery charging termination current in mA
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* @recharge_vol battery voltage limit that will trigger a new
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* full charging cycle in the case where maintenan-
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* -ce charging has been disabled
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* @normal_cur_lvl: charger current in normal state in mA
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* @normal_vol_lvl: charger voltage in normal state in mV
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* @maint_a_cur_lvl: charger current in maintenance A state in mA
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* @maint_a_vol_lvl: charger voltage in maintenance A state in mV
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* @maint_a_chg_timer_h: charge time in maintenance A state
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* @maint_b_cur_lvl: charger current in maintenance B state in mA
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* @maint_b_vol_lvl: charger voltage in maintenance B state in mV
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* @maint_b_chg_timer_h: charge time in maintenance B state
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* @low_high_cur_lvl: charger current in temp low/high state in mA
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* @low_high_vol_lvl: charger voltage in temp low/high state in mV'
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* @battery_resistance: battery inner resistance in mOhm.
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* @n_r_t_tbl_elements: number of elements in r_to_t_tbl
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* @r_to_t_tbl: table containing resistance to temp points
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* @n_v_cap_tbl_elements: number of elements in v_to_cap_tbl
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* @v_to_cap_tbl: Voltage to capacity (in %) table
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* @n_batres_tbl_elements number of elements in the batres_tbl
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* @batres_tbl battery internal resistance vs temperature table
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*/
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struct abx500_battery_type {
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int name;
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int resis_high;
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int resis_low;
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int charge_full_design;
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int nominal_voltage;
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int termination_vol;
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int termination_curr;
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int recharge_vol;
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int normal_cur_lvl;
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int normal_vol_lvl;
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int maint_a_cur_lvl;
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int maint_a_vol_lvl;
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int maint_a_chg_timer_h;
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int maint_b_cur_lvl;
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int maint_b_vol_lvl;
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int maint_b_chg_timer_h;
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int low_high_cur_lvl;
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int low_high_vol_lvl;
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int battery_resistance;
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int n_temp_tbl_elements;
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struct abx500_res_to_temp *r_to_t_tbl;
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int n_v_cap_tbl_elements;
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struct abx500_v_to_cap *v_to_cap_tbl;
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int n_batres_tbl_elements;
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struct batres_vs_temp *batres_tbl;
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};
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/**
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* struct abx500_bm_capacity_levels - abx500 capacity level data
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* @critical: critical capacity level in percent
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* @low: low capacity level in percent
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* @normal: normal capacity level in percent
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* @high: high capacity level in percent
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* @full: full capacity level in percent
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*/
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struct abx500_bm_capacity_levels {
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int critical;
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int low;
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int normal;
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int high;
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int full;
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};
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/**
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* struct abx500_bm_charger_parameters - Charger specific parameters
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* @usb_volt_max: maximum allowed USB charger voltage in mV
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* @usb_curr_max: maximum allowed USB charger current in mA
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* @ac_volt_max: maximum allowed AC charger voltage in mV
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* @ac_curr_max: maximum allowed AC charger current in mA
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*/
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struct abx500_bm_charger_parameters {
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int usb_volt_max;
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int usb_curr_max;
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int ac_volt_max;
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int ac_curr_max;
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};
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/**
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* struct abx500_bm_data - abx500 battery management data
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* @temp_under under this temp, charging is stopped
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* @temp_low between this temp and temp_under charging is reduced
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* @temp_high between this temp and temp_over charging is reduced
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* @temp_over over this temp, charging is stopped
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* @temp_now present battery temperature
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* @temp_interval_chg temperature measurement interval in s when charging
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* @temp_interval_nochg temperature measurement interval in s when not charging
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* @main_safety_tmr_h safety timer for main charger
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* @usb_safety_tmr_h safety timer for usb charger
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* @bkup_bat_v voltage which we charge the backup battery with
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* @bkup_bat_i current which we charge the backup battery with
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* @no_maintenance indicates that maintenance charging is disabled
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* @abx500_adc_therm placement of thermistor, batctrl or battemp adc
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* @chg_unknown_bat flag to enable charging of unknown batteries
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* @enable_overshoot flag to enable VBAT overshoot control
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* @auto_trig flag to enable auto adc trigger
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* @fg_res resistance of FG resistor in 0.1mOhm
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* @n_btypes number of elements in array bat_type
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* @batt_id index of the identified battery in array bat_type
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* @interval_charging charge alg cycle period time when charging (sec)
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* @interval_not_charging charge alg cycle period time when not charging (sec)
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* @temp_hysteresis temperature hysteresis
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* @gnd_lift_resistance Battery ground to phone ground resistance (mOhm)
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* @maxi: maximization parameters
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* @cap_levels capacity in percent for the different capacity levels
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* @bat_type table of supported battery types
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* @chg_params charger parameters
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* @fg_params fuel gauge parameters
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*/
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struct abx500_bm_data {
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int temp_under;
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int temp_low;
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int temp_high;
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int temp_over;
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int temp_now;
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int temp_interval_chg;
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int temp_interval_nochg;
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int main_safety_tmr_h;
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int usb_safety_tmr_h;
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int bkup_bat_v;
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int bkup_bat_i;
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bool no_maintenance;
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bool chg_unknown_bat;
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bool enable_overshoot;
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bool auto_trig;
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enum abx500_adc_therm adc_therm;
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int fg_res;
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int n_btypes;
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int batt_id;
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int interval_charging;
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int interval_not_charging;
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int temp_hysteresis;
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int gnd_lift_resistance;
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const struct abx500_maxim_parameters *maxi;
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const struct abx500_bm_capacity_levels *cap_levels;
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const struct abx500_battery_type *bat_type;
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const struct abx500_bm_charger_parameters *chg_params;
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const struct abx500_fg_parameters *fg_params;
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};
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|
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struct abx500_chargalg_platform_data {
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char **supplied_to;
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size_t num_supplicants;
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|
};
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|
|
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struct abx500_charger_platform_data {
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|
char **supplied_to;
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|
size_t num_supplicants;
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|
bool autopower_cfg;
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|
};
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|
|
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struct abx500_btemp_platform_data {
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|
char **supplied_to;
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|
size_t num_supplicants;
|
|
};
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|
|
|
struct abx500_fg_platform_data {
|
|
char **supplied_to;
|
|
size_t num_supplicants;
|
|
};
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|
|
|
struct abx500_bm_plat_data {
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|
struct abx500_bm_data *battery;
|
|
struct abx500_charger_platform_data *charger;
|
|
struct abx500_btemp_platform_data *btemp;
|
|
struct abx500_fg_platform_data *fg;
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|
struct abx500_chargalg_platform_data *chargalg;
|
|
};
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|
|
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int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
|
|
u8 value);
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|
int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
|
|
u8 *value);
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|
int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
|
|
u8 first_reg, u8 *regvals, u8 numregs);
|
|
int abx500_set_register_page_interruptible(struct device *dev, u8 bank,
|
|
u8 first_reg, u8 *regvals, u8 numregs);
|
|
/**
|
|
* abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a
|
|
* target register
|
|
*
|
|
* @dev: The AB sub device.
|
|
* @bank: The i2c bank number.
|
|
* @bitmask: The bit mask to use.
|
|
* @bitvalues: The new bit values.
|
|
*
|
|
* Updates the value of an AB register:
|
|
* value -> ((value & ~bitmask) | (bitvalues & bitmask))
|
|
*/
|
|
int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
|
|
u8 reg, u8 bitmask, u8 bitvalues);
|
|
int abx500_get_chip_id(struct device *dev);
|
|
int abx500_event_registers_startup_state_get(struct device *dev, u8 *event);
|
|
int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);
|
|
|
|
struct abx500_ops {
|
|
int (*get_chip_id) (struct device *);
|
|
int (*get_register) (struct device *, u8, u8, u8 *);
|
|
int (*set_register) (struct device *, u8, u8, u8);
|
|
int (*get_register_page) (struct device *, u8, u8, u8 *, u8);
|
|
int (*set_register_page) (struct device *, u8, u8, u8 *, u8);
|
|
int (*mask_and_set_register) (struct device *, u8, u8, u8, u8);
|
|
int (*event_registers_startup_state_get) (struct device *, u8 *);
|
|
int (*startup_irq_enabled) (struct device *, unsigned int);
|
|
};
|
|
|
|
int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
|
|
void abx500_remove_ops(struct device *dev);
|
|
#endif
|